Pipe transport mechanism for pipe bender

Details Pipe transport mechanism for pipe bender Pipe transport mechanism for pipe bender

1991-07-19

1992-03-03

Jones, David

Metal deforming

Process

Tube making or reshaping

72308, 72388, 72466, B21D 905

Patent

active

050921509

ABSTRACT:
A transport mechanism (28) is disclosed for use in a pipe bender (10) for bending pipe sections (12), particularly pipe sections having a diameter greater than one foot. First and second powered rollers (30, 32) are mounted within the pipe bender and driven by hydraulic motors to move the pipe section in a controlled manner through the pipe bender. A hold down roller (34) is pivoted against the pipe section to force the pipe section into engagement with the powered rollers to insure an adequately frictional engagement between the rollers and the pipe section to move the pipe section through the pipe bender.

REFERENCES:
patent: 3406551 (1968-10-01), Coody
patent: 3705506 (1972-12-01), Clavin et al.
patent: 3834210 (1974-12-01), Clavin et al.
patent: 3851519 (1974-12-01), Calvin et al.
patent: 4122697 (1978-10-01), Hanyo et al.
patent: 4313330 (1982-02-01), Cummings
patent: 4412442 (1983-11-01), Kawanami et al.

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